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    '90 15hp evinrude has low RPM's at WOT

    my boat use to get about 6500 RPMs at WOT, now it is getting 4000 and not getting on plane. rebuilt carb and fuel pump but no help. starts and idles great. i put it in gear and the RPMs are at about 700 as it should be, excelerates fine, just won't get up there. any help i would appreciate
  2. G

    '90 9.9/15 evinrude, RPM's

    my motor will start right up, idle fine, put it in gear and the idle is at about 700 RPMs . give it full throttle and the best she will get is 4000 RPMs when it should be about 6500-7000. any ideas? carb has been rebuilt, fuel filter too.
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